Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '11048317d817bd3488438ad7a9b5c0ec7578866d9cd6fb0959dabe0078c166ae' 
  AND token = 'P8Ml4elTuun4n3niHtlTxZcVBvl9siaXZ17FHdD1s/A=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}